Senior Java/AI Developer
ELEKS Software Engineering & Development Office is looking for a Senior Java/AI Developer based in Buenos Aires for a hybrid position: 2–3 days per week onsite at our local office, with the remaining days remote.
Working hours: 10:00 AM – 6:00/7:00 PM ART.
ABOUT PROJECT
The client is among the top-5 health insurance companies in the US. They are dedicated to expanding access to high-quality, cost-effective health care and equipping their members with information and tools so they can make the best health care decisions for themselves and their families.
REQUIREMENTS
- 5+ years of professional experience in Java and/or Python
- Hands-on experience working with LLMs (integration, evaluation, or architecture)
- Practical experience with prompt engineering
- Understanding of API design and backend service development
NICE TO HAVE
- Experience with RAG (Retrieval-Augmented Generation) architectures
- Experience with vector databases and embeddings
- MLOps or LLMOps exposure
RESPONSIBILITIES
- Design and build AI-powered features and services using LLMs
- Develop and maintain backend components in Java and/or Python
- Implement prompt engineering strategies and evaluate model outputs
- Collaborate with product and engineering teams to integrate AI capabilities into existing applications
- Stay current with emerging LLM tooling, frameworks, and best practices